Look Who is Dating on Castle...

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Let's forget about Castle and Beckett for a moment.

Yes, supposedly, these two finally kiss in January, but there's another twosome on this ABC hit that will soon be revealed as a legitimate couple.

On January 10, we'll learn Detective Javier Esposito and medical examiner Lanie Parish have been secretly going at it for awhile.

Rick Castle and Javier Esposito
Lanie Parish Photo

"We find out it's been going on for about eight weeks, so it's still a new thing," Jon Huertas told TV Guide. "Of course we try to hide it from the gang to keep things professional, but it's hard for us to control ourselves."

It's unclear when other characters on the show will learn of this relationship, but only the audience will be in on the secret for the foreseeable future.

In other Castle romance news: look for Detective Ryan to propose to girlfriend Jenny on the January 3 return episode.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.

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Castle Quotes

Sometimes the hardest things in life are the things most worth doing.

Castle

Beckett makes me laugh. She challenges me. I became a better man.

Castle